Водоснабжение и учётGiacomini#Giacomini#Water systems#Components for plumbing and drainage systems#Valves, sluices, sluice gates for systems#Construction
In threaded static balancing valves, the flow rate is measured by means of a Venturi device, which is located inside the valve body. This device guarantees control accuracy as well as high user-friendliness during calibration.
Further info from manufacturer on R206B Giacomini